A particle starts from rest and performing circular motion of constant radius with speed given b...

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A particle starts from rest and performing circular motion of constant radius with speed given by \( v=\alpha \sqrt{x} \) where \( \alpha \) is a constant and \( x \) is the distance covered. The correct graph of magnitude of its tangential acceleration \( \left(a_{t}\right) \) and centripetal acceleration \( \left(a_{c}\right) \) versus \( t \) will be
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